[tip:perf/core] perf tools: Fix PERF_FLAG_FD_CLOEXEC flag probing event type open counters due to EBUSY error

From: tip-bot for Jiri Olsa
Date: Wed Aug 13 2014 - 01:20:45 EST


Commit-ID: 038fa0b9739d7f375f3f61a2ce4f78ad44329f66
Gitweb: http://git.kernel.org/tip/038fa0b9739d7f375f3f61a2ce4f78ad44329f66
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Sun, 3 Aug 2014 14:10:36 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 12 Aug 2014 12:03:08 -0300

perf tools: Fix PERF_FLAG_FD_CLOEXEC flag probing event type open counters due to EBUSY error

We were using PERF_COUNT_SW_CPU_CLOCK as an probing event type. Using
expected PERF_TYPE_SOFTWARE type instead.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: William Cohen <wcohen@xxxxxxxxxx>
Cc: Yann Droneaud <ydroneaud@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20140803121036.GA1181@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/cloexec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
index dede0c3..5073c01 100644
--- a/tools/perf/util/cloexec.c
+++ b/tools/perf/util/cloexec.c
@@ -9,7 +9,7 @@ static int perf_flag_probe(void)
{
/* use 'safest' configuration as used in perf_evsel__fallback() */
struct perf_event_attr attr = {
- .type = PERF_COUNT_SW_CPU_CLOCK,
+ .type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_CPU_CLOCK,
};
int fd;
--
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